Inventor
Koichi Aonuma
Inventor
Matsudo, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys44%
F02FCylinders, pistons or casings, for combustion engines22%
B22FWorking metallic powder11%
F01LCyclically operating valves for machines or engines11%
F16CShafts11%
PatentTitleYear
6,302,937'Sintered alloy having superior wear resistance'20016,251,157'Sintered alloy having superb wear resistance and process for producing the same'20015,834,664'Wear-resistant sintered alloy, and its production method'19985,824,922'Wear-resistant sintered alloy, and its production method'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2001Patents assigned to HITACHI POWDERED METALS (4)· patent assignee history
1998–2001Based in Matsudo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI POWDERED METALS | 4 | 1998–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Matsudo, JP | 4 | 1998–2001 |